PH

Philip C. Hawken

RC Robertshaw Controls: 6 patents #35 of 302Top 15%
FS Federal Signal: 1 patents #293 of 717Top 45%
RC Ranco Co.: 1 patents #12 of 48Top 25%
📍 Darien, IL: #31 of 266 inventorsTop 15%
🗺 Illinois: #11,418 of 84,256 inventorsTop 15%
Overall (All Time): #620,311 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11655905 Multi-port valve Joe Ledvora, Thomas J. Davern 2023-05-23
10374338 Connector bridge James E. Pearson 2019-08-06
7533682 System and method of providing water flow rate compensation Bogdan Gheorghe 2009-05-19
7511239 Simultaneous control of multiple liquid level settings in a diaphragm valve, using a single rotatable control shaft Jerome C. Klopp, Robert van der Linde, Paul H. Tuma 2009-03-31
7293582 Method and apparatus for precluding backflow in a mixing valve subjected to unbalanced inlet pressure Jerome C. Klopp 2007-11-13
6751978 Transition fitting Kelly S. Gagne, Jay P. Griswold, Robert Moses 2004-06-22
6722575 Temperature sensing adapter and automatic temperature regulating mixing valve constructed therewith Kelly S. Gagne, James E. Pearson 2004-04-20
5584560 Remote control spotlight Earl W. Gosswiller, Paul D. Graham 1996-12-17